Deliver IPC messages together with SwapCompositorFrame

content/browser/android/in_process/synchronous_compositor_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/android/in_process/synchronous_compositor_impl.h"
 
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/input/input_handler.h"
 #include "content/browser/android/in_process/synchronous_compositor_factory_impl.h"
@@ skipping 109 matching lines @@
     const gfx::Transform& transform,
     gfx::Rect viewport,
     gfx::Rect clip) {
   DCHECK(CalledOnValidThread());
   DCHECK(output_surface_);
 
   scoped_ptr<cc::CompositorFrame> frame =
       output_surface_->DemandDrawHw(surface_size, transform, viewport, clip);
   if (frame.get())
     UpdateFrameMetaData(frame->metadata);
+
   return frame.Pass();
 }
 
 void SynchronousCompositorImpl::ReturnResources(
     const cc::CompositorFrameAck& frame_ack) {
   DCHECK(CalledOnValidThread());
   output_surface_->ReturnResources(frame_ack);
 }
 
 bool SynchronousCompositorImpl::DemandDrawSw(SkCanvas* canvas) {
   DCHECK(CalledOnValidThread());
   DCHECK(output_surface_);
 
   scoped_ptr<cc::CompositorFrame> frame = output_surface_->DemandDrawSw(canvas);
   if (frame.get())
     UpdateFrameMetaData(frame->metadata);
   return !!frame.get();
 }
 
 void SynchronousCompositorImpl::UpdateFrameMetaData(
     const cc::CompositorFrameMetadata& frame_metadata) {
   RenderWidgetHostViewAndroid* rwhv = static_cast<RenderWidgetHostViewAndroid*>(
       contents_->GetRenderWidgetHostView());
   if (rwhv)
     rwhv->SynchronousFrameMetadata(frame_metadata);
+  DeliverMessages();
 }
 
 void SynchronousCompositorImpl::SetMemoryPolicy(
     const SynchronousCompositorMemoryPolicy& policy) {
   DCHECK(CalledOnValidThread());
   DCHECK(output_surface_);
 
   output_surface_->SetMemoryPolicy(policy);
 }
 
@@ skipping 59 matching lines @@
     compositor_client_->SetContinuousInvalidate(enable);
 }
 
 InputEventAckState SynchronousCompositorImpl::HandleInputEvent(
     const blink::WebInputEvent& input_event) {
   DCHECK(CalledOnValidThread());
   return g_factory.Get().synchronous_input_event_filter()->HandleInputEvent(
       contents_->GetRoutingID(), input_event);
 }
 
+void SynchronousCompositorImpl::DeliverMessages() {
+  ScopedVector<IPC::Message> messages;
+  output_surface_->GetMessagesToDeliver(&messages);
+  RenderProcessHost* rph = contents_->GetRenderProcessHost();
+  for (ScopedVector<IPC::Message>::const_iterator i = messages.begin();
+       i != messages.end();
+       ++i) {
+    rph->OnMessageReceived(**i);
+  }
+}
+
 void SynchronousCompositorImpl::DidActivatePendingTree() {
   if (compositor_client_)
     compositor_client_->DidUpdateContent();
 }
 
 gfx::Vector2dF SynchronousCompositorImpl::GetTotalScrollOffset() {
   DCHECK(CalledOnValidThread());
   if (compositor_client_)
     return compositor_client_->GetTotalRootLayerScrollOffset();
   return gfx::Vector2dF();
@@ skipping 40 matching lines @@
     g_factory.Get();  // Ensure it's initialized.
     SynchronousCompositorImpl::CreateForWebContents(contents);
   }
   if (SynchronousCompositorImpl* instance =
       SynchronousCompositorImpl::FromWebContents(contents)) {
     instance->SetClient(client);
   }
 }
 
 }  // namespace content